Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-10-28
Phys.Lett. B550 (2002) 16-23
Physics
High Energy Physics
High Energy Physics - Phenomenology
Scientific paper
10.1016/S0370-2693(02)02954-4
The way a charm-quark fragments into a charmed hadron is a challenging problem both for the theoretical and the experimental particle physics. Moreover, in neutrino induced charm-production, peculiar processes occur such as quasi-elastic and diffractive charm-production which make the results from other experiments not directly comparable. We present here a method to extract the charmed fractions in neutrino induced events by using results from $e^+e^-$, $\pi N$, $\gamma N$ experiments while taking into account the peculiarities of charm-production in neutrino interactions. As results, we predict the fragmentation functions as a function of the neutrino energy and the semi-muonic branching ratio, $B_\mu$, and compare them with the available data.
Capua F. Di
de Lellis G.
Migliozzi Pasquale
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